Home / 4,982.56-6,875.94-2,887.90

Finding the Fourth Proportional to 4,982.56, 6,875.94 and 2,887.90

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Solution

The fourth proportional to 4,982.56, 6,875.94 and 2,887.90 is: 3,985.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.56 : 6,875.94 = 2,887.90 : x
  2. Step 2: Convert to fraction form
    4,982.56/6,875.94 = 2,887.90/x
  3. Step 3: Cross multiply
    4,982.56x = 6,875.94 × 2,887.90
  4. Step 4: Simplify right side
    4,982.56x = 19,857,037.10
  5. Step 5: Solve for x
    x = 19,857,037.10/4,982.56
  6. Step 6: Final answer
    x = 3,985.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.